<template>
    <section>
        <!--工具条-->
        <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
            <el-form :inline="true" :model="filters">
                <el-form-item>
                    <el-input v-model="filters.keyword" placeholder="关键字搜索"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" v-on:click="search">查询</el-button>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="handleAdd">新增</el-button>
                </el-form-item>
            </el-form>
        </el-col>

        <!--列表-->
        <el-table :data="departments" highlight-current-row v-loading="listLoading"
                  @selection-change="selsChange" style="width: 100%;">
            <el-table-column type="selection" width="55">
            </el-table-column>
            <el-table-column type="index" width="60">
            </el-table-column>
            <el-table-column prop="sn" label="编号" width="80" sortable>
            </el-table-column>
            <el-table-column prop="name" label="名称" width="160" sortable>
            </el-table-column>
            <el-table-column prop="dirPath" label="父级路径" width="120" sortable>
            </el-table-column>
            <el-table-column prop="state" label="状态" width="100" sortable>
                <template scope="scope">
                    <span style="color: green" v-if="scope.row.state == 0">启用</span>
                    <span style="color: red" v-else-if="scope.row.state == -1">禁用</span>
                    <span style="color: grey" v-else>未知</span>
                </template>
            </el-table-column>
            <el-table-column prop="manager.username" label="管理员" width="100" sortable>
            </el-table-column>
            <el-table-column prop="parent.name" label="父级部门" width="120" sortable>
            </el-table-column>
            <el-table-column label="操作">
                <template scope="scope">
                    <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
                    <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!--工具条-->
        <el-col :span="24" class="toolbar">
            <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
            <el-pagination layout="prev, pager, next"
                           @current-change="handleCurrentChange"
                           :page-size="pageSize"
                           :current-page="currentPage"
                           :total="total"
                           style="float:right;">
            </el-pagination>
        </el-col>

        <!--编辑界面
          departmentFormVisible 模态框是否显示
          departmentFormRules  校验规则
          ref="departmentForm"  给当前表单取别名  ——> refs
        -->
        <el-dialog title="新增或编辑" :visible.sync="departmentFormVisible" :close-on-click-modal="false">
            <el-form :model="departmentForm" label-width="80px"
                     :rules="departmentFormRules"
                     ref="departmentForm">
                <el-form-item label="名称" prop="name">
                    <el-input v-model="departmentForm.name" auto-complete="off"></el-input>
                </el-form-item>
                <el-form-item label="编号" prop="sn">
                    <el-input v-model="departmentForm.sn" auto-complete="off"></el-input>
                </el-form-item>
                <el-form-item label="状态">
                    <el-radio-group v-model="departmentForm.state">
                        <el-radio class="radio" :label="0">启用</el-radio>
                        <el-radio class="radio" :label="-1">禁用</el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="管理员">
                    <!--<el-input v-model="departmentForm.manager"></el-input>-->
                    <!--
                      :value="item"  可以传递一个对象过去
                       value-key="id"  通过id去找对象 然后赋值
                    -->
                    <el-select v-model="departmentForm.manager" value-key="id" placeholder="请选择">
                        <el-option
                                v-for="item in employees"
                                :key="item.id"
                                :label="item.username"
                                :value="item">
                            <span style="float: left">{{ item.username }}</span>
                            <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="父部门">
                    <!--<el-input v-model="departmentForm.parent"></el-input>-->
                    <el-cascader v-model="departmentForm.parent"
                                 :options="deptTree"
                                 :props="{
                               checkStrictly: true,
                               label:'name',
                               value:'id'
                             }"
                                 clearable></el-cascader>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click.native="departmentFormVisible = false">取消</el-button>
                <el-button type="primary" @click.native="departmentSubmit" :loading="departmentLoading">提交</el-button>
            </div>
        </el-dialog>
    </section>
</template>

<script>
    export default {
        data() {
            return {
                filters: {
                    keyword: ''
                },
                departments: [],
                total: 0,
                currentPage: 1,
                pageSize: 6,
                listLoading: false,
                sels: [],//列表选中行

                departmentFormVisible: false,//编辑界面是否显示
                departmentLoading: false,//提交按钮忙等
                departmentFormRules: {//表单校验规则
                    name: [
                        {required: true, message: '请输入名称', trigger: 'blur'}
                    ],
                    sn: [
                        {required: true, message: '请输入编号', trigger: 'blur'}
                    ]
                },
                //编辑界面数据
                departmentForm: {//表单模型数据
                    id: null,
                    sn: "",
                    name: '',
                    state: 0,
                    manager: null,
                    parent: null
                },
                employees: [],// 部门管理员  员工列表
                deptTree: []//部门级联树  现在我们两层
            }
        },
        methods: {
            search() {//只要是高级查询按钮一点击
                this.currentPage = 1;//定位到第一页
                this.getDepartments();
            },
            handleCurrentChange(val) {
                this.currentPage = val;
                this.getDepartments();
            },
            //获取部门列表
            getDepartments() {
                let para = {
                    currentPage: this.currentPage,
                    pageSize: this.pageSize,
                    keyword: this.filters.keyword
                };
                this.listLoading = true;//开启忙等框
                this.$http.post("/dept", para)
                    .then(result => {
                        result = result.data;// pageList
                        this.departments = result.rows;
                        this.total = result.total;
                        this.listLoading = false;

                    })
                    .catch(result => {
                        alert("系统错误！");
                    })
                //NProgress.start();
                /*getDepartmentListPage(para).then((res) => {
                    this.total = res.data.total;
                    this.departments = res.data.departments;
                    this.listLoading = false;
                    //NProgress.done();
                });*/
            },
            //删除
            handleDel: function (index, row) {
                this.$confirm('确认删除该记录吗?', '温馨提示', {
                    type: 'warning'
                }).then(() => {
                    this.listLoading = true;//开启忙等框
                    //NProgress.start();
                    this.$http.delete("/dept/" + row.id)
                        .then(result => {
                            this.listLoading = false;//关闭忙等框
                            //???  该完成什么事情
                            result = result.data;//AjaxResult {success:true,message:"操作成功"}
                            //AjaxResult {success:false,message:"操作失败"}
                            if (result.success) {
                                this.$message({
                                    message: result.message,
                                    type: 'success'
                                });
                                this.currentPage = 1;//定位到第一页
                                this.getDepartments();
                            } else {
                                this.$message({
                                    message: result.message,
                                    type: 'error'
                                });
                            }
                        })
                        .catch(result => {
                            console.log(result);
                            alert("系统错误！");
                        })
                }).catch(() => {

                });
            },
            //显示编辑界面
            handleEdit: function (index, row) {

                this.departmentForm = Object.assign({}, row);//拷贝对象（回显）
                this.getDetpTree();//触发加载部门数
                let dirPath = row.dirPath;//  /48
                //我们需要把字符串转成数组  split("/")//  ["","27","50","51"]
                if (dirPath) {
                    let tmp = [];
                    let dirPaths = dirPath.trim().split("/"); //['','48']
                    for (let i = 1; i < dirPaths.length - 1; i++) {
                        tmp[i - 1] = parseInt(dirPaths[i]);
                    }
                    if (tmp.length >= 1) {
                        this.departmentForm.parent = tmp; //根据dirpath构造数组
                    }
                }

                this.departmentFormVisible = true;//显示模态框
                /*重置表单校验*/
                this.$refs['departmentForm'].resetFields();
            },
            //显示新增界面
            handleAdd: function () {
                this.departmentFormVisible = true;//显示模态框
                this.departmentForm = {//清空历史数据，不要ID
                    sn: "",
                    name: '',
                    state: 0,
                    manager: null,
                    parent: null
                };
                this.getDetpTree();//触发加载部门数
                /*重置表单校验*/
                this.$refs['departmentForm'].resetFields();
            },
            //编辑提交按钮
            departmentSubmit: function () {
                /*拿到当前vue里面的所有ref，从里面找到 departmentForm*/
                this.$refs.departmentForm.validate((valid) => {
                    if (valid) {
                        this.$confirm('确认提交吗？', '温馨提示', {})
                            .then(() => {
                                this.departmentLoading = true;
                                //NProgress.start();
                                //准备表单数据提交给后台
                                let para = Object.assign({}, this.departmentForm);
                                //格式转换
                                /*可能压根就不选，== 新增顶级部门*/
                                if (para.parent) {
                                    let arrayTmp = para.parent;// [2,7]
                                    /*选择的部门只需要传递最后一级就可以了*/
                                    para.parent = {
                                        id: arrayTmp[arrayTmp.length - 1]
                                    };
                                }
                                this.$http.put("/dept", para)
                                    .then(result => {
                                        //关闭忙等框
                                        this.departmentLoading = false;
                                        result = result.data;
                                        if (result.success) {
                                            //NProgress.done();
                                            this.$message({
                                                message: '提交成功',
                                                type: 'success'
                                            });
                                            /*重置表单校验*/
                                            this.$refs['departmentForm'].resetFields();
                                            this.departmentFormVisible = false;
                                            /*刷新页面*/
                                            this.currentPage = 1;//定位到第一页
                                            this.getDepartments();
                                        } else {
                                            this.$message({
                                                message: result.message,
                                                type: 'error'
                                            });
                                        }
                                    });
                            }).catch(result => {
                            this.departmentLoading = false;
                            console.log(result);
                            alert("系统错误！");
                        });
                    }
                });
            },
            selsChange: function (sels) {
                /*现目前已经选中的所有行的数据*/
                this.sels = sels;
            },
            //批量删除
            batchRemove: function () {
                var ids = this.sels.map(item => item.id);//[1,5]
                this.$confirm('确认删除选中记录吗？', '温馨提示', {
                    type: 'warning'
                }).then(() => {
                    this.listLoading = true;//开启忙等框
                    //NProgress.start();
                    this.$http.patch("/dept", ids)
                        .then(result => {
                            this.listLoading = false;//关闭忙等框
                            //???  该完成什么事情
                            result = result.data;//AjaxResult {success:true,message:"操作成功"}
                            //AjaxResult {success:false,message:"操作失败"}
                            if (result.success) {
                                this.$message({
                                    message: result.message,
                                    type: 'success'
                                });
                                this.currentPage = 1;//定位到第一页
                                this.getDepartments();
                            } else {
                                this.$message({
                                    message: result.message,
                                    type: 'error'
                                });
                            }
                        })
                        .catch(result => {
                            console.log(result);
                            alert("系统错误！");
                        })
                    /*batchRemoveDepartment(para).then((res) => {
                        this.listLoading = false;
                        //NProgress.done();
                        this.$message({
                            message: '删除成功',
                            type: 'success'
                        });
                        this.getDepartments();
                    });*/
                }).catch(() => {

                });
            },
            //查询员工数据，用来渲染部门管理员下拉表格
            getEmployees() {
                this.$http.get("/employee/list", {})
                    .then(result => {
                        result = result.data;//List<Employee>

                        this.employees = result;
                    })
                    .catch(result => {
                        alert("系统错误！");
                    })
            },
            //加载部门树，发送请求从后端拿数据
            getDetpTree() {
                this.$http.get("/dept/deptTree", {})
                    .then(result => {
                        result = result.data;//List<Department>

                        this.deptTree = result;
                    })
                    .catch(result => {
                        alert("系统错误！");
                    })
            }
        },
        mounted() {
            /*页面加载完成触发*/
            this.getDepartments();
            //加载管理员信息
            this.getEmployees();
        }
    }

</script>

<style scoped>

</style>